GYMNURA MICRURA PDF

Gymnura micrura. Bloch & Schneider, Synonyms. Aetoplatea Valenciennes in Müller & Henle, ; Phanerocephalus Gratzianov, ; Pteroplatea Müller & Henle, The butterfly rays are the rays forming the genus Gymnura and the family Gymnuridae. Gymnura micrura. This diamond-shaped ray is much wider than it is long, usually 3 to 4 feet wide, and its short tail lacks the ray’s usual spine. PDF | An extensive taxonomic revision of Gymnura micrura based on external and internal morphology, and considering specimens from its entire geographical .

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Main reference Upload your references References Coordinator: It is tolerant of a variety of salt content, from brackish river mouths to highly mmicrura lagoons, as long as there is a muddy or sandy bottom to hunt small fish and invertebrates. Denticles The skin is relatively smooth with small denticles. Prefers neritic waters of the continental shelf and usually found on soft bottoms.

Gymnura micrura, Smooth butterfly ray : fisheries

Reproduction Exhibits ovoviparity aplacental viviparitywith embryos feeding initially on yolk, then receiving additional nourishment from the mother by micura absorption of uterine fluid enriched with mucus, fat or protein through specialized structures. The tail has low dorsal and ventral fin folds and three to four dark crossbars.

This is a small ray that does not possess a spine. The smooth butterfly ray prefers mlcrura waters of the continental shelf and is usually found on soft bottoms.

Short description Morphology Morphometrics Broad, diamond-shaped ray with a very short tail lacking a dorsal spine Ref. Gymnura micrura alter their swimming habits depending gymnuea where they are swimming in the water column. Smooth butterfly ray Conservation status. In other projects Wikimedia Commons Wikispecies.

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Geographical Distribution World distribution map for the smooth butterfly ray The smooth butterfly ray is found in the western and eastern Atlantic Ocean and in the Gulf of Mexico. Modified by Capuli, Estelita Emily. These rays invest a large amount of energy into reproduction and only give birth to a few offspring; however, they give birth micrufa a yearly basis.

Reproductive biology of the smooth butterfly ray Gymnura micrura.

Estimates of some properties based on models Preferred temperature Ref. The absence of a tail spine and the presence of a keel on the upper surface of the tail separates G.

Florida Museum of Natural History”. The IUCN is a global union of states, governmental agencies, and non-governmental organizations in a partnership that assesses the conservation status of species. Species of Gymnura in FishBase. In other projects Wikimedia Commons. This page was last edited on 22 Augustat Collaborators Pictures Stamps, Coins Misc.

Views Read Edit View history. They are hunted by larger predators, such as sharks. Uses authors parameter CS1 maint: Views Read Edit View history. Tail with low dorsal and ventral finfolds and 3 – 4 dark crossbars Ref.

IUCN Red List of Threatened Species

Undulation verses oscillation” PDF. Journal of Fish Biology. In the western Atlantic it occurs from Maryland to Brazil.

There are currently 10 species in this genus others are considered synonyms: Common English names for this species include: Uses authors parameter Articles with mjcrura microformats Taxonomy articles created by Polbot. Smooth butterfly ray G. This map was computer-generated and has not yet been reviewed. Rays of the World.

These are broad diamond-shaped rays with a short tail that has low dorsal and ventral fin folds. The dorsal surface of this ray varies greatly in color, either gray, brown, or light green. The smooth butterfly ray is found in the western and eastern Atlantic Ocean and in the Gulf of Mexico. Retrieved 22 Feb Distinctive Features This is a broad, diamond-shaped ray with a very short tail lacking a dorsal spine and a protruding snout.

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Gymnura is derived from Greek roots and translates into ‘naked tail’. Habitat The smooth butterfly ray prefers neritic waters of the continental shelf and is usually found on soft bottoms.

Human uses

This page was last edited on 22 Marchat This species is caught in minor commercial fisheries and is occasionally used for food in French Guiana and possibly in other tropical localities. Coloration The dorsal surface of this ray is gray, brown or light green, dotted and vermiculated with paler and darker spots.

The butterfly rays are the rays forming the genus Gymnura and the family Gymnuridae. It can vary from light brown to gray to greenish, with lighter or darker spots, and can manipulate its shading to blend better into its background. They have a very short, thread-like, tail. Size, Age, and Growth The maximum disc width of the species is reported to be 3 to 4 feet 0.

Integrated Taxonomic Information System. The species is currently classified micrufa data deficient by the IUCNas not information about population dynamics is known to assess its conservation status.

This species is known to enter brackish estuaries or hyper-saline lagoons. Journal of Applied Ichthyology. Distinct pairing with embrace Ref. Summary page Point data Common names Photos.